19208740

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4231}}^1$

素因数の和:4467

約数の個数: 24

約数和(自身を含む): 40525632

約数和(自身を除く): 21316892

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4231, 4540, 8462, 16924, 21155, 42310, 84620, 960437, 1920874, 3841748, 4802185, 9604370, 19208740]

約数ペア:

[(1, 19208740), (2, 9604370), (4, 4802185), (5, 3841748), (10, 1920874), (20, 960437), (227, 84620), (454, 42310), (908, 21155), (1135, 16924), (2270, 8462), (4231, 4540)]